Sharing apparatus and energy conservation controlling method therefor
First Claim
1. A sharing apparatus that is networked to a plurality of terminal devices, comprising:
- a storage section for storing, when any of the plurality of terminal devices accesses the sharing apparatus, an identification number assigned to the terminal device that has made the access;
judgment means for transmitting a signal to all the terminal devices corresponding to the identification numbers stored in the storage section to judge whether or not the terminal devices are accessible to the sharing apparatus; and
power state switching means for switching, when it is judged that none of the terminal devices corresponding to the identification numbers stored in the storage section are accessible to the sharing apparatus as a result of the judgment by the judgment means, the state of the power to the sharing apparatus to a power saving state.
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Abstract
When any of a plurality of terminal devices 3 accesses an MFP 1 that is networked to the terminal devices 3, an IP address assigned to the terminal device 3 is stored in an address storage section 172 in the MFP 1. A signal is periodically transmitted to all the terminal devices 3 corresponding to the IP addresses stored in the address storage section 172 in order to judge whether or not the terminal devices 3 are accessible to the MFP 1. when it is judged that none of the terminal devices 3 corresponding to the IP addresses stored in the address storage section 172 are accessible to the MFP 1 as a result of the judgment, the state of the power to the MFP 1 is switched to a power saving state.
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Citations
10 Claims
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1. A sharing apparatus that is networked to a plurality of terminal devices, comprising:
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a storage section for storing, when any of the plurality of terminal devices accesses the sharing apparatus, an identification number assigned to the terminal device that has made the access;
judgment means for transmitting a signal to all the terminal devices corresponding to the identification numbers stored in the storage section to judge whether or not the terminal devices are accessible to the sharing apparatus; and
power state switching means for switching, when it is judged that none of the terminal devices corresponding to the identification numbers stored in the storage section are accessible to the sharing apparatus as a result of the judgment by the judgment means, the state of the power to the sharing apparatus to a power saving state. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An energy conservation controlling method for a sharing apparatus that is networked to a plurality of terminal devices, comprising the steps of:
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storing an identification number assigned to the terminal device that has accessed the sharing apparatus;
judging whether or not the terminal device corresponding to the stored identification number is accessible to the sharing apparatus at predetermined timing; and
switching the state of the power to the sharing apparatus to a power saving state on the basis of the judgment that all the terminal devices corresponding to the stored identification numbers are inaccessible to the sharing apparatus. - View Dependent Claims (9, 10)
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Specification
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- Resources
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Current AssigneeKyocera MITA Corporation (Kyocera Corporation)
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Original AssigneeKyocera MITA Corporation (Kyocera Corporation)
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InventorsAizawa, Fumio
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Application NumberUS11/097,209Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current713/320CPC Class CodesG06F 1/3209 Monitoring remote activity,...G06F 1/325 Power saving in peripheral ...
